11113144145 has 8 divisors (see below), whose sum is σ = 13587391656. Its totient is φ = 8722769536.

The previous prime is 11113144093. The next prime is 11113144183. The reversal of 11113144145 is 54144131111.

11113144145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4484579089 + 6628565056 = 66967^2 + 81416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113144145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20967932 + ... + 20968461.

It is an arithmetic number, because the mean of its divisors is an integer number (1698423957).

Almost surely, 2^11113144145 is an apocalyptic number.

It is an amenable number.

11113144145 is a deficient number, since it is larger than the sum of its proper divisors (2474247511).

11113144145 is an equidigital number, since it uses as much as digits as its factorization.

11113144145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41936451.

The product of its digits is 960, while the sum is 26.

Adding to 11113144145 its reverse (54144131111), we get a palindrome (65257275256).

It can be divided in two parts, 111 and 13144145, that added together give a cube (13144256 = 236³).

The spelling of 11113144145 in words is "eleven billion, one hundred thirteen million, one hundred forty-four thousand, one hundred forty-five".